Yes. To be clear, I'm not disputing the theory, which is sound, but I'm struggling to see how £1-2k can be earned regularly and monthly with a relatively small pool of bookies to earn introductory offers from, even if you try and use slightly different names and cards to earn the bonus multiple...
You are only "getting your head round it", yet are showing regular 4-figure profits every month? Impressive. Just think how much you'll be clearing up once you understand what you are doing...